1089 Trick Worksheet

Maths tricks trick 7: The 1089 magic trick · Set 88 · 40 questions

The trick (Reverse and subtract): Reverse the number and take the smaller number away from the bigger one. The answer is always one of 198, 297, 396, 495, 594, 693, 792, 891: middle digit 9, first and last digits adding to 9. Reverse that answer and add: you always get 1089.

1. 1.693 + 396 =
2. 2.Do the 1089 trick with 710: reverse and subtract, then reverse that answer and add. What do you get?
3. 3.In the 1089 trick, the subtraction gave a 3-digit number that starts with 1. What is that number?
4. 4.In the 1089 trick, the subtraction gave a 3-digit number that starts with 3. What is that number?
5. 5.Take 785. Reverse its digits and take the smaller number away from the bigger one. What do you get?
6. 6.792 + 297 =
7. 7.Take 331. Reverse its digits and take the smaller number away from the bigger one. What do you get?
8. 8.In the 1089 trick, the subtraction gave a 3-digit number that starts with 4. What is that number?
9. 9.Take 922. Reverse its digits and take the smaller number away from the bigger one. What do you get?
10. 10.198 + 891 =
11. 11.Take 834. Reverse its digits and take the smaller number away from the bigger one. What do you get?
12. 12.Do the 1089 trick with 731: reverse and subtract, then reverse that answer and add. What do you get?
13. 13.Take 601. Reverse its digits and take the smaller number away from the bigger one. What do you get?
14. 14.In the 1089 trick, the subtraction gave a 3-digit number that starts with 6. What is that number?
15. 15.In the 1089 trick, the subtraction gave a 3-digit number that starts with 8. What is that number?
16. 16.594 + 495 =
17. 17.Do the 1089 trick with 790: reverse and subtract, then reverse that answer and add. What do you get?
18. 18.Take 910. Reverse its digits and take the smaller number away from the bigger one. What do you get?
19. 19.In the 1089 trick, the subtraction gave a 3-digit number that starts with 2. What is that number?
20. 20.Take 692. Reverse its digits and take the smaller number away from the bigger one. What do you get?
21. 21.Do the 1089 trick with 952: reverse and subtract, then reverse that answer and add. What do you get?
22. 22.Do the 1089 trick with 705: reverse and subtract, then reverse that answer and add. What do you get?
23. 23.Take 115. Reverse its digits and take the smaller number away from the bigger one. What do you get?
24. 24.Take 704. Reverse its digits and take the smaller number away from the bigger one. What do you get?
25. 25.Take 210. Reverse its digits and take the smaller number away from the bigger one. What do you get?
26. 26.Take 639. Reverse its digits and take the smaller number away from the bigger one. What do you get?
27. 27.Take 472. Reverse its digits and take the smaller number away from the bigger one. What do you get?
28. 28.Take 602. Reverse its digits and take the smaller number away from the bigger one. What do you get?
29. 29.Take 662. Reverse its digits and take the smaller number away from the bigger one. What do you get?
30. 30.Take 904. Reverse its digits and take the smaller number away from the bigger one. What do you get?
31. 31.Do the 1089 trick with 699: reverse and subtract, then reverse that answer and add. What do you get?
32. 32.Do the 1089 trick with 250: reverse and subtract, then reverse that answer and add. What do you get?
33. 33.Take 719. Reverse its digits and take the smaller number away from the bigger one. What do you get?
34. 34.Do the 1089 trick with 247: reverse and subtract, then reverse that answer and add. What do you get?
35. 35.Take 770. Reverse its digits and take the smaller number away from the bigger one. What do you get?
36. 36.In the 1089 trick, the subtraction gave a 3-digit number that starts with 5. What is that number?
37. 37.Take 129. Reverse its digits and take the smaller number away from the bigger one. What do you get?
38. 38.Take 860. Reverse its digits and take the smaller number away from the bigger one. What do you get?
39. 39.Take 340. Reverse its digits and take the smaller number away from the bigger one. What do you get?
40. 40.Take 980. Reverse its digits and take the smaller number away from the bigger one. What do you get?

Free maths tricks lessons, practice and worksheets at talentjr.in/maths-tricks